Simultaneous Nadir Overpasses (SNOs) between FY3D and LANDSAT-8
TLE Epoch: 2019 11 26.  Predictions up to the next  14.0 days:

     Date     Time(FY3D) FY3D Lat/Lon Date Time(LANDSAT-8) LANDSAT-8 Lat/Lon    Distance(km)  Time Diff(sec)
 11/28/2019   02:50:07   (  70.87, 133.59) 11/28/2019   02:51:17  (  70.80, 134.69)   40.67                70
 11/28/2019   03:40:42   ( -70.41, -58.34) 11/28/2019   03:40:52  ( -70.42, -58.26)    3.10                10
 11/28/2019   04:31:25   (  70.29, 109.16) 11/28/2019   04:30:20  (  70.26, 109.16)    3.09                65
 11/30/2019   19:06:36   (  71.06,-110.82) 11/30/2019   19:07:44  (  70.96,-109.20)   59.86                68
 11/30/2019   19:57:07   ( -70.38,  57.59) 11/30/2019   19:57:22  ( -70.41,  57.61)    2.99                15
 11/30/2019   20:47:50   (  70.26,-134.90) 11/30/2019   20:46:50  (  70.25,-134.98)    3.10                60
 12/03/2019   11:23:04   (  71.19,   4.84) 12/03/2019   11:24:12  (  71.08,   6.86)   73.88                68
 12/03/2019   12:13:33   ( -70.42, 173.44) 12/03/2019   12:13:52  ( -70.43, 173.51)    2.66                19
 12/03/2019   13:04:16   (  70.30, -19.06) 12/03/2019   13:03:19  (  70.32, -19.01)    3.18                57
 12/06/2019   03:39:33   (  71.38, 120.41) 12/06/2019   03:40:39  (  71.27, 123.05)   94.79                66
 12/06/2019   04:29:58   ( -70.40, -70.64) 12/06/2019   04:30:23  ( -70.41, -70.65)    0.91                25
 12/06/2019   05:20:41   (  70.28,  96.87) 12/06/2019   05:19:50  (  70.29,  96.83)    2.47                51
 12/08/2019   20:46:22   ( -70.38,  45.28) 12/08/2019   20:46:53  ( -70.40,  45.22)    3.30                31
 12/08/2019   21:37:06   (  70.31,-147.29) 12/08/2019   21:36:20  (  70.29,-147.30)    2.35                46